NBC Universal Scores Patent to Detect and Target Pirates 

NBC Universal has patented a new technology that can detect high volume file-sharing swarms, including those using BitTorrent. The system is set up to detect popular pirated files and gathers data that can be used for anti-piracy purposes, business intelligence, and to help ISPs relieve strain on their networks.

Source: NBC Universal Scores Patent to Detect and Target Pirates – TorrentFreak